<?php
    
    class myclass{
        public function test(&$a,&$b){
            $a+=15;
            $b += 3;
        }
    }
    
    
    
    $p = 10;
    $age = 15;
    $ttt = new myclass();
    $ttt->test($p,$age);
    print("$p,$age");
?>